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- Title
Two-pion decay of the P <sub>11</sub>(1440) resonance excited in αp Scattering at 1 GeV/nucleon.
- Authors
Alkhazov, G. D.; Prokofiev, A. N.; Smirnov, I. B.
- Abstract
Semiexclusive measurements of the two-pion production reaction p( α, α′) pππ have been carried out at an energy of E α = 4.2 GeV at the Saturne-II (Saclay) accelerator with the SPES4- π installation. The two-pion production reaction was investigated by simultaneous registration of the scattered α particle and the secondary proton. The obtained results show that the two-pion decay of the P 11(1440) resonance excited in the target proton in this reaction proceeds predominantly with emission of two pions in the isospin I = 0, S-wave state.
- Subjects
PARTICLES (Nuclear physics); RESONANCE; SCATTERING (Physics); PION-pion interactions; ISOBARIC spin; EMISSIONS (Air pollution)
- Publication
Physics of Atomic Nuclei, 2008, Vol 71, Issue 7, p1302
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/S1063778808070260